4820-01-177-8459

Find complete technical information, availability, and procurement data for: 4820-01-177-8459
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-177-8459

Item Name Code

05488

Assigment Date

04/27/1984 (42 years ago)

bolted bonnet attachment method, inside screw bonnet type, spring disk loading method, disk flow control device, 4 all ends bolt hole quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 0.500 inches
Adjustable Pressure Range: +171.0 to 209.0 pounds per square inch
Opening Pressure Setting: 190.0 pounds per square inch
Nominal Outside Diameter: 3.500 inches 2nd end
Nominal Outside Diameter: 4.250 inches 1st end
Nominal Thickness: 0.312 inches 2nd end
Nominal Thickness: 0.375 inches 1st end
First Connection Face To Centerline Distance: 3.438 inches
Bolt Hole Nominal Diameter: 0.625 inches all ends
Second Connection Face To Centerline Distance: 3.438 inches
Bolt Circle Nominal Diameter: 2.375 inches 2nd end
Bolt Circle Nominal Diameter: 3.125 inches 1st end
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 1.375 inches all ends
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: steel body
Material: steel corrosion resisting stem
Style Designator: angle flanged ends
Furnished Items And Quantity: 1 lever
Specification/Standard Data: 81349-mil-v-24332 government specification
Nondefinitive Spec/Std Data: b grade

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FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-177-8459?

The FSCG of the NSN 4820-01-177-8459 is 4820

Does the NSN 4820-01-177-8459 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-177-8459 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-177-8459 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-177-8459 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-177-8459 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Apr 27, 1984